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- 📩 Depth is the only moat left
Someone I spent an hour with this week made a point I have not been able to put down.
He still walks to the end of his street for the mail.
Not for the mail, really. For three things. Two magazines he genuinely reads and one publication he is a little embarrassed to admit he looks forward to.
Everything else in that box goes in the trash on the walk back. Flyers, circulars, insurance mailers, the whole pile. He does not read it. He does not feel bad about it. It never had a chance.
Sit with that for a second.
Our reliance on physical mail collapsed over twenty years. Nearly all of it turned into noise. And he still makes the walk.
That is your inbox in five years. The question is whether you are one of the three things, or part of the pile.
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Email has only had two big moments
For all the noise, email history is short.
The first moment was email becoming a platform. Everybody got a screen name and an embarrassing address they still cannot live down. Free trial discs showed up in physical mailboxes and a few hundred million people came online at once.
The second was mobile. The inbox left your desk and went in your pocket. People went from checking mail twice a day to fifty times a day.
Both waves were pure gift for newsletters. More people, more time in the inbox, more chances to land in front of a reader. Neither one required us to be better. They just made the room bigger.
The third one does not come with a gift
The third wave is AI, and it breaks the pattern.
Here is the uncomfortable part nobody in this business likes saying out loud. Nobody loves checking email. There is too much of it and most of it is stuff we never asked for.
AI is very good at exactly three things. Learning what you want. Filtering what you do not. Handling the repetitive parts quietly in the background.
So it is coming for the inbox whether we vote for it or not.
And this is the first wave where nobody can tell you how it ends. Not the analysts, not the consultants, not even the teams building the inbox. Ask anyone honest what your inbox looks like in ten years and the real answer is a shrug.
That is new. And it is the whole story.
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Write for the person, not the filter
Every operator I talk to is asking the same question right now. Who am I writing for anymore? People? Deliverability? The machine?
The answer has not moved.
Write for the person.
The logic is simple. Email is too wired into our lives, especially our work lives, to disappear. It is not going anywhere. What changes is what survives the filter.
And what survives is the stuff a person makes time for. Voicey. Human. Backed by expertise. Carrying a real point of view.
The word that kept coming up was depth. Depth of knowledge. Depth of insight. Depth of access. Depth of analysis.
That is the whole test. If a model could produce your issue from public information in nine seconds, the filter is going to figure that out before your readers do.
Nobody outsources the thing they love
Here is the version of this that finally made it click for me.
He is a die-hard baseball fan. Obsessive about his team. And he would never in a hundred years hand that off to an assistant spitting out a weekly stat summary. Not once.
But a great weekly breakdown of the farm system, what is happening behind the scenes, the stuff you cannot get from a box score? He would make time for that every single week for the rest of his life.
Nobody outsources what they actually care about.
Read that again, because it is the entire strategy.
If your newsletter is something people care about, AI filtering is your friend. It clears the room. It burns off the junk mail sitting between you and your reader.
If your newsletter is something people tolerate, you were already dead. The filter is just going to be honest about it faster than your open rate ever was.
Chase the macro, ignore the micro
This was the most practical thing I took away, and it is for anyone currently spiraling over every feature announcement.
Think macro, not micro.
The macro is the stuff that is true in every version of the future. AI is coming. Write deep. Nail your authentication. Get the verified mark certificate so your logo shows up next to your name. Build the brand. Build automations that fire relevant messages at the right moment.
The micro is that screenshot going around this week of the inbox rewriting your preview text with its own summary.
Inboxes run tests constantly. Some stick. Most quietly die. Remember the tabbed inbox era? Dozens of features shipped. Most of them are gone because users did not care.
Teams that panic-optimize for every new toggle burn a quarter chasing something that may not exist next year. Teams that do the fundamentals win in every version of the future.
Boring wins. It usually does.
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Where AI actually earns its keep
We compared notes on where this stuff belongs in a real newsletter operation today.
The list is short. Process. Brainstorming. Analytics.
Not voice. Not strategy.
His best example: a newsroom client was burning five to six hours a month hand-sorting exports into spreadsheets. He taught the model the process one time. Now they drop in the file and get the reports back in seconds, plus dashboards they never had before. Six hours a month, gone, forever.
Mine is subscriber data analysis. We pull the raw activity export, every signup date, first open, first click, last click, and find exactly where people fall off by acquisition source.
That is how we catch opener bloat. The "engaged" subscribers who open constantly and never once click. Most of them are bots, security scanners, and prefetched images. Not people.
It is why the 2-minute rule runs on everything we send. Any activity inside two minutes of delivery is not a human.
Cut that noise out and the real picture shows up. When to sunset. When a win-back is actually worth running. When a send is not worth making at all.
The inbox already knows which of your opens are real. The only question is whether you do.
The win-back nobody is running yet
This is where it gets genuinely interesting for revenue.
Almost every win-back campaign in this industry is evergreen. Generic. Written once, set live, forgotten for a year, barely moving anything.
Now picture a win-back that knows what happened in your niche this week. That knows which three issues that specific subscriber actually read before they went quiet. That writes to that person about that thing.
That is not a "we miss you" email. That is a reason to come back.
Same shift is coming to the front end. Welcome flows where the survey answer drives the offer, the upsell, the whole sequence. The kind of branching that would take a month to build by hand and break the second you touched it.
The one-size-fits-all automation era is ending on both ends of the lifecycle. Most operators have not noticed yet.
The honest fear
I asked what publishers should actually be worried about. The answer was not a feature or a filter.
It was the unknown itself.
This entire newsletter economy is built on one quiet assumption. Email does not change much. No algorithm deciding your reach. No single company setting the rules. A stable place to build something that lasts.
That assumption is being tested for the first time.
Ten years ago, if you asked what email would look like in a decade, the honest answer was "pretty much the same." Ask what it looks like ten years from now and the honest answer is that nobody knows.
His take, and I agree with it: do not cling to the past too hard. What we build next might be more interesting than what came before.
What I would do with the next ninety days
Three things stuck with me, and they are all doable before the leaves turn.
Depth is the moat. An AI-filtered inbox kills commodity content first, and it kills it quietly. If your newsletter is a feed in reverse chronological order, "this is how we have always done it" is not going to save you.
The fundamentals got more important, not less. Authentication, brand certificate, engagement hygiene, smart automations. Every future version of the inbox rewards senders who prove they are reputable and relevant. That has never once been false.
And AI belongs backstage, not in your voice. Process, analysis, segmentation, timing. That is the leverage. Your perspective, your choices, your angles, that is the part no model replaces and the exact part people subscribed for.
If the inbox gets cleaned up the way I think it will, the operators left standing are the ones with real engaged density. Not the biggest lists. The ones people would walk to the end of the street for.
So here is your week. Pull your last four issues and ask one question about each: could a model have written this from public information? Reply and tell me the honest answer. I will tell you mine.